package Work5;

import java.util.Arrays;
import java.util.Comparator;
import java.util.Scanner;

public class Main2 {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int n = in.nextInt();
		PersonSortable2[] personlist = new PersonSortable2[n];
		for (int i = 0; i < personlist.length; i++) {
			String name = in.next();
			int age = in.nextInt();
			personlist[i] = new PersonSortable2(name, age);
		}
		Arrays.sort(personlist, new NameComparator());
		System.out.println("NameComparator:sort");
		for (PersonSortable2 per : personlist) {
			System.out.println(per);
		}
		Arrays.sort(personlist, new AgeComparator());
		System.out.println("AgeComparator:sort");
		for (PersonSortable2 per : personlist) {
			System.out.println(per);
		}
		System.out
				.println(Arrays.toString(NameComparator.class.getInterfaces()));
		System.out
				.println(Arrays.toString(AgeComparator.class.getInterfaces()));
	}
}

class NameComparator implements Comparator<PersonSortable2> {
	public int compare(PersonSortable2 o1, PersonSortable2 o2) {
		if (!o1.getName().equals(o2.getName())) {
			if (o1.getName().compareTo(o2.getName()) > 0)
				return 1;
			else
				return -1;
		}
		return 0;
	}
}

class AgeComparator implements Comparator<PersonSortable2> {
	public int compare(PersonSortable2 o1, PersonSortable2 o2) {
		if (!(o1.getAge() == o2.getAge())) {
			if (o1.getAge() > o2.getAge())
				return 1;
			else
				return -1;
		}
		return 0;
	}
}

class PersonSortable2 {
	private String name;

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

	private int age;

	public PersonSortable2(String name, int age) {
		this.name = name;
		this.age = age;
	}

	@Override
	public String toString() {
		return this.name + "-" + this.age;
	}

}
